S3 public websites have limitation to access only using http and not https, this can be addressed using cloudfront(http/https) as frontend of website and S3 public website as backend(http). However both frontend and backend can be accessed separately and can be considered as duplicates.

While developing and deploying Function as a service(Faas) applications leveraging AWS Lambda ,API Gateways etc. Serverless frameworks promised to keep development and deployments simple and enabling public cloud of choice.

AWS cloud9 IDE simplifed access and development in Cloud by using cloud native IDE and associated terminal for CLI access. To reduce wastage of unused EC2 instances which are the backend of Cloud9, Cloud9 IDE detects presence of user based on activity and shutdowns EC2 instances using predetermined interval.